ELEC 2370 - Electrical - Polyphase Alternating Current Fundamentals, Electrical Instruments & Illumination
Credits: 2.00
(2 contact hrs)
(formerly ATEE-2360) ELEC-2370 covers three and four-wire two-phase circuits, three-phase induction, star and delta circuits, power, balanced and unbalanced loads, transformer principles, characteristics and connection, electrical instruments, self- synchronous systems, protective relays, lamps and illumination. South Campus.
Pre & Co Requisite(s):
Prerequisite: ELEC-1171 or ATEE-2350 or related work experience
OUTCOMES AND OBJECTIVES
Outcome 1: Upon completion of this course, the student will be able to differentiate between a WYE and a delta system.
Objectives:
- Lay out a vector diagram of voltages in a three phase WYE circuit.
- Plot a vector diagram of voltages in a three-phase delta circuit.
- Apply the law of cosines to calculate the line current in a three-phase system.
- Calculate the power, the true power, and the total power in three phase systems.
Outcome 2: Upon completion of this course, the student will be able to define the operation of a transformer.
Objectives:
- Define step down transformer, step up transformer, transformer efficiency, exciting current, ampere-turns, and primary winding to secondary winding voltage and current ratios.
- Explain feedback from one secondary winding to the other primary winding and state the steps that must be taken to minimize this hazard.
- List the information provided on the nameplate of a transformer.
COMMON DEGREE OUTCOMES
(Bulleted outcomes apply to the course)
- 1. The graduate can integrate the knowledge and technological skills necessary to be a successful learner.
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- 2. The graduate can demonstrate how to think competently.
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- 3. The graduate can demonstrate how to employ mathematical knowledge.
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- 4. The graduate can demonstrate how to communicate competently.
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- The graduate is sensitive to issues relating to a diverse, global society.
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COURSE CONTENT OUTLINE
- Review - Alternating Currents
- Review - Inductive and Capacitive Reactances
- Three-Phase voltages, phase sequence, the WYE connection
- The Delta Connection
- Power Measurement in Three-Phase Systems
- Voltmeter, Ammeter, Wattmeter, Varmeter, Power Factor Meter
- Syncroscope, Frequency Meters, Recording Instruments, Watt-Hour Meter
- Transformer Primary and Secondary Ratios, Losses and Efficiency, Polarity
- Multiple Tapped Winding, Transformer Cooling, Transformer Oil, Taps, Frequency, Volts, Impedance, Data
- Delta Connection, WYE Connection, Delta-WYE Connection
- WYE-Delta Connection, Open-Delta, Three-Phase Transformer
- Instrument Transformers, Auto Transformers
- Constant Current Transformers, Induction Voltage Regulators
Primary Faculty
Dulinski, Kenneth
Secondary Faculty
Associate Dean
Hinrichsen, Timothy
Official Course Syllabus - Macomb Community College, 14500 E 12 Mile Road, Warren, MI 48088
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